應用CORS完成JavaWeb跨域要求成績的辦法。本站提示廣大學習愛好者：（應用CORS完成JavaWeb跨域要求成績的辦法）文章只能為提供參考，不一定能成為您想要的結果。以下是應用CORS完成JavaWeb跨域要求成績的辦法正文
之前用jsonp 處理跨域成績，如今用CORS完成跨域要求處理java 跨域成績：
重要代碼以下
package com.hy.fliter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.httpclient.HttpStatus;
/**
* Created by WangShuai on 2016/7/30.
*/
public class CorsFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException { }
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
HttpServletResponse response = (HttpServletResponse) servletResponse;
HttpServletRequest request = (HttpServletRequest) servletRequest;
// 指定許可其他域名拜訪
response.setHeader("Access-Control-Allow-Origin", "*");
// 呼應類型
response.setHeader("Access-Control-Allow-Methods", "POST, GET, DELETE, OPTIONS, DELETE");
// 呼應頭設置
response.setHeader("Access-Control-Allow-Headers", "Content-Type, x-requested-with, X-Custom-Header, HaiYi-Access-Token");
if ("OPTIONS".equals(request.getMethod())){
response.setStatus(HttpStatus.SC_NO_CONTENT);
}
filterChain.doFilter(servletRequest, servletResponse);
}
@Override
public void destroy() { }
}
web.xml 代碼以下設置裝備擺設
<filter> <filter-name>cors</filter-name> <filter-class>com.hy.fliter.CorsFilter</filter-class> </filter> <filter-mapping> <filter-name>cors</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
以上所述是小編給年夜家引見的應用CORS完成JavaWeb跨域要求成績的辦法，願望對年夜家有所贊助，假如年夜家有任何疑問請給我留言，小編會實時答復年夜家的。在此也異常感激年夜家對網站的支撐！
